They had been detained since February 9 in relation to an investigation over the money-laundering allegations tied to the bribery affair in Brazil, known as the “Car Wash” case.

That had to do with kickbacks to Brazilian politicians paid by big Brazilian companies, among them construction giant Odebrecht, which has admitted to paying nearly $800 million in bribes to government officials and political parties to win public contracts on three continents.

That matter was not directly related to the Panama Papers affair, which involved a massive data leak from the Mossack Fonseca law firm that revealed the secretive offshore entities used by many of the world’s wealthy to stash assets. Some of the offshore companies were used to evade taxes and launder money.

Mossack and Fonseca have been accused of running a “criminal organization” permitting the laundering of assets related to “Car Wash.”